About
Mammillaria rhodantha, the rainbow pincushion, is a cylindrical to globose cactus with closely set tubercles bearing colourful, radial and central spines. A ring of carmine-pink flowers is produced near the stem apex in late spring and summer. A striking and rewarding cactus for a sunny greenhouse bench.
About the genus
Mammillaria are spherical to cylindrical, spiny cacti from Mexico and neighbouring regions, often forming clusters, with prominent tubercles and a ring of funnel-shaped flowers near the stem apex in late spring and summer. Popular and easy-care cacti for a sunny greenhouse bench or windowsill.
Plant details
Suggested usesContainers, rock gardens, dry gardens.
Care notes
CultivationPlant in very well-drained, gritty compost. Full sun.
PruningMinimal pruning needed. Remove dead leaves.
PropagationPropagate by division, cuttings, or seed as appropriate.
Pest resistanceMealybugs and vine weevil may occur.
Disease resistanceGenerally disease-resistant. Ensure good air circulation.